User`s manual

9
(2) COM Ports Settings
COM3 / 4 Pin 9 Signal Select (JP9, JP8)
MX266 COM3 / 4 pin 9 signal can be selected as +12V, +5V, or Ring by setting
JP9 / JP8 / JP4.
COM3 / COM4 / COM2 Select (JP9, JP8, JP4)
RI* +5V +12V
COM2 RS232/422/485 Select (JP5, JP6, JP7)
Mx266 COM2 serial port can be selected as RS-232, RS-422, or RS-485 by setting
JP5, JP6, and JP7.
COM2 Select (JP5, JP6, JP7)
RS232* RS422 RS485
(3) CF Master, Slave Select (Optional)
JP5
1 3 5
2 4 6
2
4
6
1
3
5
2
4
6
1
3
5
JP6
2
4
6
1
3
5
2
4
6
1
3
5
JP7
CF Master/Slave Select
JP3
1 3
2-3 closed Master
JP3
1 3
1-2 closed Slave (Default)
2
4
6
1
3
5
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
2
4
6
1
3
5